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package cz.muni.fi.pb138.simpleLibrary;

import java.util.Set;

/**
 *
 * @author vramik
 */
public interface LibraryManager {
    
    public void loanBooks(Set<Book> books, Reader reader);
    public void giveBooksBack(Set<Book> books, Reader reader);
    public Set<Book> findBooksBy(BookAttributeType bookAttributeType, Object value);
}
